* {
  box-sizing: border-box;
}

:root {
  color-scheme: light;
  --surface: #fffdf8;
  --surface-muted: #f5ede0;
  --border: #dccfbc;
  --text: #1f2933;
  --muted: #5d6975;
  --primary: #0f766e;
  --primary-strong: #115e59;
  --danger: #c2410c;
  --danger-soft: #fff1ea;
  --success: #2f855a;
  --success-soft: #edf9f0;
  --warning: #b7791f;
  --warning-soft: #fff7e6;
  --info-soft: #e8f6f5;
  --shadow: 0 12px 30px rgba(47, 41, 31, 0.08);
}

body {
  margin: 0;
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  background: linear-gradient(180deg, #faf6ef 0%, #f3ece1 100%);
  color: var(--text);
}

button,
textarea,
input[type="file"],
select {
  font: inherit;
}

button {
  appearance: none;
  border: 1px solid var(--primary);
  background: var(--primary);
  color: #ffffff;
  padding: 10px 14px;
  border-radius: 6px;
  cursor: pointer;
  transition: background-color 120ms ease, border-color 120ms ease, transform 120ms ease;
}

button:hover {
  background: var(--primary-strong);
  border-color: var(--primary-strong);
  transform: translateY(-1px);
}

button.secondary {
  background: transparent;
  color: var(--primary);
}

button.secondary:hover {
  background: rgba(15, 118, 110, 0.08);
}

.hidden {
  display: none !important;
}

.app-shell {
  min-height: 100vh;
  padding: 24px;
}

.topbar,
.mode-switch,
.summary-strip,
.workspace {
  width: min(1320px, 100%);
  margin: 0 auto;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 24px;
  padding: 24px 0 18px;
}

.topbar-copy {
  max-width: 720px;
}

.topbar-actions,
.tool-actions,
.actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.eyebrow,
.section-kicker {
  margin: 0 0 8px;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.15;
}

h1 {
  font-size: 34px;
}

h2 {
  font-size: 22px;
}

h3 {
  font-size: 18px;
}

.subtitle {
  margin: 10px 0 0;
  max-width: 52ch;
  color: var(--muted);
  line-height: 1.5;
}

.mode-switch {
  display: flex;
  gap: 8px;
  margin-bottom: 18px;
}

.mode-tab {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}

.mode-tab.active {
  background: rgba(15, 118, 110, 0.1);
  border-color: rgba(15, 118, 110, 0.4);
  color: var(--primary-strong);
}

.summary-strip,
.section-block {
  background: rgba(255, 253, 248, 0.92);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.summary-strip {
  padding: 18px;
  margin-bottom: 18px;
}

.status-banner {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 14px;
  background: var(--surface-muted);
  margin-bottom: 14px;
}

.status-banner[data-tone="success"] {
  background: var(--success-soft);
  border-color: rgba(47, 133, 90, 0.3);
}

.status-banner[data-tone="warning"] {
  background: var(--warning-soft);
  border-color: rgba(183, 121, 31, 0.35);
}

.status-banner[data-tone="info"] {
  background: var(--info-soft);
  border-color: rgba(15, 118, 110, 0.3);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.stat-card {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px;
  background: var(--surface);
}

.stat-card[data-tone="danger"] {
  background: var(--danger-soft);
}

.stat-card[data-tone="success"] {
  background: var(--success-soft);
}

.stat-card[data-tone="warning"] {
  background: var(--warning-soft);
}

.stat-label {
  font-size: 12px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.stat-value {
  margin-top: 8px;
  font-size: 30px;
  font-weight: 700;
}

.summary-meta {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 14px;
  flex-wrap: wrap;
}

.meta-line {
  color: var(--muted);
  font-size: 14px;
}

.workspace {
  display: grid;
  grid-template-columns: minmax(290px, 0.82fr) minmax(0, 1.4fr);
  gap: 18px;
  align-items: start;
}

.queue-column {
  display: grid;
  gap: 18px;
}

.detail-column {
  min-width: 0;
}

.section-block {
  padding: 18px;
}

.detail-block {
  min-height: 780px;
}

.settings-block {
  min-height: 720px;
}

.section-header,
.thread-header,
.action-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
}

.section-header {
  margin-bottom: 14px;
}

.attention-list,
.conversation-list {
  display: grid;
  gap: 10px;
}

.conversation-list.compact .conversation-item {
  padding: 12px;
}

.attention-item,
.conversation-item {
  width: 100%;
  text-align: left;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px;
  background: var(--surface);
  color: var(--text);
}

.attention-item:hover,
.conversation-item:hover,
.conversation-item.active {
  border-color: rgba(15, 118, 110, 0.45);
  background: #f2faf9;
}

.attention-topline,
.item-topline,
.attention-meta,
.item-meta,
.summary-topline {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  flex-wrap: wrap;
}

.attention-meta,
.item-meta,
.message-meta {
  margin-top: 8px;
  font-size: 12px;
  color: var(--muted);
}

.attention-preview {
  margin-top: 8px;
  color: var(--muted);
  line-height: 1.45;
}

.summary-box {
  background: var(--surface-muted);
  border-radius: 8px;
  padding: 16px;
  line-height: 1.5;
}

.summary-copy,
.summary-support {
  margin: 12px 0 0;
}

.summary-score {
  color: var(--muted);
  font-size: 13px;
}

.action-row {
  margin-top: 16px;
  padding: 14px 0 6px;
}

.action-title {
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 4px;
}

.reply-panel,
.collapsible {
  margin-top: 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: rgba(255, 253, 248, 0.75);
}

.reply-panel summary,
.collapsible summary {
  list-style: none;
  cursor: pointer;
  padding: 14px 16px;
  font-weight: 700;
}

.reply-panel summary::-webkit-details-marker,
.collapsible summary::-webkit-details-marker {
  display: none;
}

.reply-form {
  padding: 0 16px 16px;
}

.reply-form textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
  resize: vertical;
  min-height: 110px;
  background: var(--surface);
}

.thread-section,
.lead-section {
  margin-top: 18px;
}

.messages {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 300px;
  max-height: 52vh;
  overflow-y: auto;
  padding: 16px 4px 4px;
}

.message {
  max-width: 82%;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
  line-height: 1.45;
  background: var(--surface-muted);
}

.message.inbound {
  align-self: flex-start;
}

.message.outbound,
.message.human {
  align-self: flex-end;
  background: #e6f6f5;
  border-color: rgba(15, 118, 110, 0.28);
}

.message-body {
  white-space: pre-wrap;
  word-break: break-word;
}

.lead-details {
  margin-top: 12px;
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.detail-card,
.detail-row {
  border: 1px solid rgba(220, 207, 188, 0.8);
  border-radius: 8px;
  padding: 12px;
  background: var(--surface);
}

.detail-stack {
  display: grid;
  gap: 10px;
  padding: 0 16px 16px;
}

.detail-label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
  margin-bottom: 4px;
}

.detail-value {
  line-height: 1.45;
}

.admin-tools {
  padding: 0 16px 16px;
}

.toggle-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding-bottom: 14px;
}

.upload-form {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-top: 12px;
  flex-wrap: wrap;
}

.settings-layout {
  display: grid;
  grid-template-columns: minmax(260px, 0.75fr) minmax(0, 1.35fr);
  gap: 18px;
  margin-top: 10px;
}

.settings-sidebar {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px;
  background: rgba(255, 253, 248, 0.75);
}

.settings-sidebar-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.settings-context-list {
  display: grid;
  gap: 10px;
}

.settings-context-item {
  width: 100%;
  text-align: left;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
  background: var(--surface);
  color: var(--text);
}

.settings-context-item span,
.settings-context-item small {
  display: block;
  margin-top: 6px;
  color: var(--muted);
}

.settings-context-item.active,
.settings-context-item:hover {
  border-color: rgba(15, 118, 110, 0.45);
  background: #f2faf9;
}

.settings-editor {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  background: rgba(255, 253, 248, 0.75);
}

.settings-main {
  display: grid;
  gap: 18px;
}

.settings-form {
  display: grid;
  gap: 12px;
}

.settings-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.compact-header {
  margin-bottom: 14px;
}

.preset-strip {
  display: grid;
  gap: 8px;
}

.preset-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.field-label {
  font-size: 13px;
  font-weight: 700;
}

.text-input,
.markdown-input {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
  background: var(--surface);
}

.markdown-input {
  resize: vertical;
  min-height: 360px;
  font-family: Consolas, "SFMono-Regular", monospace;
  line-height: 1.5;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  background: rgba(93, 105, 117, 0.12);
  color: var(--text);
}

.badge[data-tone="danger"] {
  background: rgba(194, 65, 12, 0.12);
  color: #9a3412;
}

.badge[data-tone="success"] {
  background: rgba(47, 133, 90, 0.12);
  color: #276749;
}

.badge[data-tone="warning"] {
  background: rgba(183, 121, 31, 0.12);
  color: #975a16;
}

.badge[data-tone="info"] {
  background: rgba(15, 118, 110, 0.12);
  color: var(--primary-strong);
}

.empty-state {
  border: 1px dashed var(--border);
  border-radius: 8px;
  padding: 18px;
  color: var(--muted);
  background: rgba(255, 253, 248, 0.75);
}

@media (max-width: 1040px) {
  .workspace {
    grid-template-columns: 1fr;
  }

  .settings-layout {
    grid-template-columns: 1fr;
  }

  .settings-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 820px) {
  .app-shell {
    padding: 16px;
  }

  .topbar,
  .section-header,
  .thread-header,
  .action-row {
    flex-direction: column;
  }

  .stats-grid,
  .detail-grid {
    grid-template-columns: 1fr;
  }

  .message {
    max-width: 100%;
  }
}

@media (max-width: 640px) {
  h1 {
    font-size: 28px;
  }

  h2 {
    font-size: 20px;
  }

  .topbar-actions,
  .tool-actions,
  .actions,
  .upload-form,
  .preset-actions {
    width: 100%;
  }

  button {
    width: 100%;
  }
}